125031735617 has 16 divisors (see below), whose sum is σ = 126145071360. Its totient is φ = 123924330432.

The previous prime is 125031735613. The next prime is 125031735623. The reversal of 125031735617 is 716537130521.

It is a cyclic number.

It is not a de Polignac number, because 125031735617 - 2² = 125031735613 is a prime.

It is a super-2 number, since 2×125031735617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125031735613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91063943 + ... + 91065315.

It is an arithmetic number, because the mean of its divisors is an integer number (7884066960).

Almost surely, 2^125031735617 is an apocalyptic number.

It is an amenable number.

125031735617 is a deficient number, since it is larger than the sum of its proper divisors (1113335743).

125031735617 is a wasteful number, since it uses less digits than its factorization.

125031735617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 125031735617 in words is "one hundred twenty-five billion, thirty-one million, seven hundred thirty-five thousand, six hundred seventeen".